Home / 2,790.82-4,188.93-2,052.70

Finding the Fourth Proportional to 2,790.82, 4,188.93 and 2,052.70

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Solution

The fourth proportional to 2,790.82, 4,188.93 and 2,052.70 is: 3,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.82 : 4,188.93 = 2,052.70 : x
  2. Step 2: Convert to fraction form
    2,790.82/4,188.93 = 2,052.70/x
  3. Step 3: Cross multiply
    2,790.82x = 4,188.93 × 2,052.70
  4. Step 4: Simplify right side
    2,790.82x = 8,598,616.61
  5. Step 5: Solve for x
    x = 8,598,616.61/2,790.82
  6. Step 6: Final answer
    x = 3,081.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.